Results 91 to 100 of about 9,857 (246)
ObjectiveThe operational conditions of wind turbines are complex and variable, which impose higher requirements on the load-bearing capacity and service life of gears.
ZHANG Baosong +5 more
doaj
Advanced Rotorcraft Transmission (ART) program [PDF]
Work performed by the McDonnell Douglas Helicopter Company and Lucas Western, Inc. within the U.S. Army/NASA Advanced Rotorcraft Transmission (ART) Program is summarized.
Bossler, Robert B., Jr. +1 more
core +1 more source
Design of an advanced 500-hp helicopter transmission [PDF]
High contact ratio spar gears planetary, spiral besel gears, bearings, investment-cast planet carrier, and investment cast stainless-steel housings are ...
Battles, R. A., Braddock, C. E.
core +1 more source
ABSTRACT Whilst the policy purpose of prisons is containment and rehabilitation, prisons must also provide a range of services to people who are incarcerated. Researchers have examined how service provision is complicated by features of the prison environment directed at safety and security, but less attention has been paid to the impact of ...
Brian Q. Jenkins +5 more
wiley +1 more source
Aiming at optimizing the gear surface modification process, the influence of ion nitrogen implantation on the bending fatigue strength of carburized and quenched gears was studied.Using low-carbon alloy steel 18CrNiMo7-6 carburized and quenched gears as ...
ZHANG Wei +5 more
doaj
Experience with Geared Propeller Drives for Aviation Engines [PDF]
I. The development of the gear wheels: (a) bending stresses; (b) compressive stresses; (c) heating; (d) precision of manufacture. II. General arrangement of the gearing. III. Vibration in the shaft transmission.
Kutzbach, K
core +1 more source
Municipalities across the United States and the world face profound climate adaptation and mitigation challenges. To assess current engagement and future potential of various professional communities to communicate about and contribute to such efforts, we conducted 56 in‐depth interviews in Virginia with members of five communities of practice (elected
Teresa Myers +4 more
wiley +1 more source
Talking Emotional Safety: School Leaders and Language in a Chicago School Safety Reform
ABSTRACT This article examines the ways that school leaders used buzzwords when speaking about youth “emotional safety,” in a Chicago Public Schools safety reform aimed at reexamining the role of school policing. Drawing on observations from pandemic‐era virtual school council meetings, we suggest a recognizable register of speech developed around the ...
Uma Blanchard +2 more
wiley +1 more source
Dream is an offshore flame: Notes on archaeology and belonging
Abstract Set within an archaeology lab in Dunedin, Aotearoa, this creative non‐fiction piece traces the search for dwelling through the meticulous, repetitive labor of everyday practice. The narrative finds belonging not as a static identity, but as a continuous, tactile engagement with the material world.
Orlan Yuan Syshui
wiley +1 more source
This work demonstrates that replacing Ti with Nb in maraging steel forms nanoscale Nb–Mo particles along boundaries, strengthening the alloy without relying on Ti phases. Heat‐treatment tuning promotes uniform crystal orientation and balanced grain boundaries, enabling strong yet ductile behavior.
Mohamad Masoumi +14 more
wiley +1 more source

